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A083983 formatted as a simple table:

n a(n)
0 13
1 17
2 31
3 37
4 71
5 73
6 79
7 97
8 113
9 131
10 191
11 199
12 313
13 331
14 337
15 773
16 911
17 919
18 1171
19 7717
20 11113
21 11119
22 11177
23 11717
24 33331
25 77171
26 77711
27 79999
28 97777
29 99991
30 113111
31 131111
32 131113
33 131311
34 191999
35 199999
36 313133
37 313331
38 313333
39 331333

[13,17,31,37,71,73,79,97,113,131,191,199,313,331,
 337,773,911,919,1171,7717,11113,11119,11177,11717,
 33331,77171,77711,79999,97777,99991,113111,131111,
 131113,131311,191999,199999,313133,313331,313333,
 331333]

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.


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